Alexandr Kuramshin created IGNITE-6519:
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Summary: Race in SplitAwareTopologyValidator on activator and server node join
Key: IGNITE-6519
URL:
https://issues.apache.org/jira/browse/IGNITE-6519 Project: Ignite
Issue Type: Bug
Components: cache
Affects Versions: 2.1
Reporter: Alexandr Kuramshin
Assignee: Alexandr Kuramshin
The following sequence may occur:
1. {{SplitAwareTopologyValidator}} detects split, gets {{NOTVALID}} and returns false from {{validate()}}
2. Activator node joins and {{SplitAwareTopologyValidator}} gets {{REPAIRED}}
3. Server node joins from other DC and it makes {{SplitAwareTopologyValidator}} gets {{VALID}}
4. Then the server node left the cluster and {{SplitAwareTopologyValidator}} should return false from {{validate()}} in cause of next split
But current implementation makes {{SplitAwareTopologyValidator}} auto-{{REPAIRED}}. Actually if the activator node will being forgotten to leave the cluster it may automatically repair a split many times. But it supposed to be manual operation.
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